1284780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:68

約数の個数: 144

約数和(自身を含む): 4596480

約数和(自身を除く): 3311700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 49, 57, 60, 69, 70, 76, 84, 92, 95, 98, 105, 114, 115, 133, 138, 140, 147, 161, 190, 196, 210, 228, 230, 245, 266, 276, 285, 294, 322, 345, 380, 399, 420, 437, 460, 483, 490, 532, 570, 588, 644, 665, 690, 735, 798, 805, 874, 931, 966, 980, 1127, 1140, 1311, 1330, 1380, 1470, 1596, 1610, 1748, 1862, 1932, 1995, 2185, 2254, 2415, 2622, 2660, 2793, 2940, 3059, 3220, 3381, 3724, 3990, 4370, 4508, 4655, 4830, 5244, 5586, 5635, 6118, 6555, 6762, 7980, 8740, 9177, 9310, 9660, 11172, 11270, 12236, 13110, 13524, 13965, 15295, 16905, 18354, 18620, 21413, 22540, 26220, 27930, 30590, 33810, 36708, 42826, 45885, 55860, 61180, 64239, 67620, 85652, 91770, 107065, 128478, 183540, 214130, 256956, 321195, 428260, 642390, 1284780]

約数ペア:

[(1, 1284780), (2, 642390), (3, 428260), (4, 321195), (5, 256956), (6, 214130), (7, 183540), (10, 128478), (12, 107065), (14, 91770), (15, 85652), (19, 67620), (20, 64239), (21, 61180), (23, 55860), (28, 45885), (30, 42826), (35, 36708), (38, 33810), (42, 30590), (46, 27930), (49, 26220), (57, 22540), (60, 21413), (69, 18620), (70, 18354), (76, 16905), (84, 15295), (92, 13965), (95, 13524), (98, 13110), (105, 12236), (114, 11270), (115, 11172), (133, 9660), (138, 9310), (140, 9177), (147, 8740), (161, 7980), (190, 6762), (196, 6555), (210, 6118), (228, 5635), (230, 5586), (245, 5244), (266, 4830), (276, 4655), (285, 4508), (294, 4370), (322, 3990), (345, 3724), (380, 3381), (399, 3220), (420, 3059), (437, 2940), (460, 2793), (483, 2660), (490, 2622), (532, 2415), (570, 2254), (588, 2185), (644, 1995), (665, 1932), (690, 1862), (735, 1748), (798, 1610), (805, 1596), (874, 1470), (931, 1380), (966, 1330), (980, 1311), (1127, 1140)]